Acoustics, Volume 8, Issue 2
2026 June - 22 articles
Cover Story: An approximate analytical model for the variation in A-weighted broadband sound levels with distance over flat acoustically soft ground from a source of known sound power depends on the reduction in low-frequency content in noise spectra due to A-weighting, assumes a weak linear sound speed gradient, a frequency-independent attenuation coefficient for air absorption, and introduces adjustable frequency-independent parameters for ground effect, turbulence, and atmospheric refraction. Its predictions of A-weighted sound levels from onshore wind turbines compare better with data and numerical simulations than the simplified and octave-band methods in the international and Swedish standards. View this paper
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Acoustics - ISSN 2624-599X